340 1.4 rough ans slow idling

Two340'sman · May 26th, 2021, 13:57

Hi there, I'd be grateful for some advice.

My 340GL manual has run well for years.

A few days ago I filled up at the local Asda Petrol Station, after a short distance the car was tending to stall and tickover slower than usual and rough, something like 200 RPM.

The next morning I started the car and again had the same problem I disconnected the fuel feed to the carb and pumped out about 2 litres of fuel. Reconnected the feed and car ran OK. The next day I did a round trip of about 10 Miles and the car was fine. However, today the car is playing up with the same erratic and slow idle.

I did contact Asda about the possibility of contaminated fuel, they responded on the day that I filled up, several hundred cars filled from the same tank and no reported problems other than mine.

I have checked distributor, rotor arm, air filter and for air leaks around carb. The ignition leads are fairly new.

Of course, MOT is due soon, so I need to resolve this. Many thanks in advance.

May 26th, 2021, 13:57	#1
Two340'sman Member Last Online: Mar 19th, 2023 19:39 Join Date: Apr 2010 Location: London	340 1.4 rough ans slow idling Hi there, I'd be grateful for some advice. My 340GL manual has run well for years. A few days ago I filled up at the local Asda Petrol Station, after a short distance the car was tending to stall and tickover slower than usual and rough, something like 200 RPM. The next morning I started the car and again had the same problem I disconnected the fuel feed to the carb and pumped out about 2 litres of fuel. Reconnected the feed and car ran OK. The next day I did a round trip of about 10 Miles and the car was fine. However, today the car is playing up with the same erratic and slow idle. I did contact Asda about the possibility of contaminated fuel, they responded on the day that I filled up, several hundred cars filled from the same tank and no reported problems other than mine. I have checked distributor, rotor arm, air filter and for air leaks around carb. The ignition leads are fairly new. Of course, MOT is due soon, so I need to resolve this. Many thanks in advance.

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